LIU, Letian. A Survey on the Latest Developed Emotion Recognition and Legged Robots. Science and Technology of Engineering, Chemistry and Environmental Protection, [S. l.], v. 1, n. 3, p. 192, 2023. DOI: 10.61173/wqq1py88. Disponível em: https://stecep.deanfrancis.press/article/view/1833. Acesso em: 4 nov. 2026.